Rich purple blue flowers with creamy stamens in April-May. All alpina flowers have pointed petals and slightly pendulous flowers. Height 8-10ft. Any soil in sun or part shade, but provide shading for ..
Introduced to the trade in 2009 'East Rivetr' flowers prolifically from late June until the End of August. Large, frilly edged, purple flowers with red streaks to the backs of the petals. Height to ar..